Earthquake Hazards Program
News
The Blind Zone of Earthquake Early Warning
One USGS scientist has sorted through the challenges, the claims, and the data to determine what the possibilities and limitations really are for EEW, and the results may surprise you.
Read the new Science for Everyone article: The Blind Zone of Earthquake Early Warning
M6.5 Monte Cristo Range Earthquake
A magnitude 6.5 earthquake struck near Tonopah, Nevada, near the California-Nevada border and about 120 miles southeast of Carson City, early this morning on May 15, 2020, at 4:03 am local time (11:03:27 UTC).
Announcing Gavin Hayes as USGS Senior Science Advisor for Earthquake & Geologic Hazards
On May 10, Gavin Hayes takes on the role of Senior Science Advisor for Earthquake and Geologic Hazards within the USGS Natural Hazards Mission Area. The Senior Science Advisor serves as the coordinator for the Earthquake Hazards, Global Seismographic Network, and Geomagnetism Programs and provides oversight and guidance across the full breadth of USGS geohazard-related activities.
Magnitude 5.4 Earthquake Felt in Puerto Rico
On May 2, 2020, a magnitude 5.4 earthquake struck about 4 miles offshore of Tallaboa, Puerto Rico, at a depth of about 5-6 miles (9 kilometers). This story will be updated if/when more information becomes available.
USGS Announces Awards for 2020 Applied Earthquake Research and Monitoring in the U.S.
Agency announces over $20 million in awards for 2020
USGS Seeks Earthquake Hazards Research Proposals
Applications due May 20th, 2020
Magnitude 6.5 Earthquake Felt in Central Idaho
On March 31, 2020, a magnitude 6.5 earthquake struck near Boise, ID, in the Challis National Forest. Seismic instruments indicate the earthquake originated at a depth of 6.2 miles (10 kilometers).
M5.0 Earthquake Hits West Texas, New Mexico Border
On March 26, 2020, a magnitude 5.0 earthquake struck West Texas near the New Mexico border. Seismic instruments indicate the earthquake originated at a depth of 5.3 miles (8.5 kilometers).
M5.7 Earthquake Felt near Salt Lake City, UT
Updated Forecast Shows 1% Chance of Aftershock Above 5.7
Magnitude 6.4 Earthquake in Puerto Rico
Links to forecasts and scenerios (below) will continue to be updated, however, text in this story will not be updated unless there is significant change to the aftershock behavior or to the USGS response to the earthquake.
7-day aftershock forecast [English]
Large M7.7 Caribbean Quake Felt as Far Away as Florida
On January 28, 2020, a magnitude 7.7 earthquake struck in the Caribbean Sea, roughly equidistant from the coasts of Jamaica, Cuba and the Cayman Islands. Seismic instruments immediately detected the earthquake that originated at a depth of about 6.2 miles (10 km).
Catalog Shows Complex Rupturing During 2019 Ridgecrest Sequence
The 2019 Ridgecrest earthquake sequence, which startled nearby California residents over the 4 July holiday with magnitude 6.4 and magnitude 7.1 earthquakes, included 34,091 earthquakes overall, detailed in a high-resolution catalog created for the sequence.